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For some preinstalled software products we offer a limited number of licenses only.
In case you do not want to queue for a certain license you can bring your own.
This requires the following steps:

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In case you can install and run your software with your private license key on our systems you are just fine.
However, if you want to access a remote license server providing a cluster license (e.g. operated by your IT department) take the following steps:

  1. Determine if you need to access your license server from our compute nodes, our login nodes, or both. Typically, production runs are executed only on compute nodes.
  2. Check, that your relevant license server ports are accessible from 130.73.234.140 (blogin).
    Eventually (exit node of all our compute nodes) and/or 130.73.234.[1-20] (our login nodes), respectively.
    Usually, you need to ask you local admin to allow external accessyour local IT to open your license server to external access from these IPs and ports.
    Please configure the ports of your license server statically (see remark *).
  3. Send a mail to support@nhr.zib.de including the name (FQDN), IP, and ports of your license server.
    Please configure the ports of your license server statically (see remark).
    In case your license server is inside a subnet, we also need to know the name/IP of its access point.
  4. We will setup IP forwarding rules, such that your job script can call your license server from our compute and post-processing nodes.

Remark

  1. Wait for our reply, that the corresponding IP forwarding rules are activated in our firewall/gateway.
  2. Test it (from our compute/login nodes):
    telnet your-license-server port
    This test ("Trying..") is positiv if the server answers:
    Escape character is '^]'.

*) FLEXlm license servers usually use two TCP ports ("SERVER" and "VENDOR"), and both of them need to be configured in the HLRN license firewall/gateway. By default, the VENDOR port is dynamic (i.e. chosen randomly) and may change on restart of the license server. To remain accessible from the HLRNour system, both SERVER and VENDOR ports need to be statically configured in the license server (VENDOR xyz port=1234) in the license server. See also http://www.hlynes.com/2010/01/21/flexlm-license-servers-and-firewalls/

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